nd_uint16_t th_urp; /* urgent pointer */
};
-#define TH_OFF(th) ((EXTRACT_U_1((th)->th_offx2) & 0xf0) >> 4)
+#define TH_OFF(th) ((GET_U_1((th)->th_offx2) & 0xf0) >> 4)
/* TCP flags */
#define TH_FIN 0x01
#ifndef FTP_PORT
#define FTP_PORT 21
#endif
+#ifndef SSH_PORT
+#define SSH_PORT 22
+#endif
#ifndef TELNET_PORT
#define TELNET_PORT 23
#endif